Finding the Fourth Proportional to 139,824.96, 193,232.16 and 124,272.96
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Solution
The fourth proportional to 139,824.96, 193,232.16 and 124,272.96 is: 171,739.96
Step by Step Solution
- Step 1: Write the proportion equation
139,824.96 : 193,232.16 = 124,272.96 : x - Step 2: Convert to fraction form
139,824.96/193,232.16 = 124,272.96/x - Step 3: Cross multiply
139,824.96x = 193,232.16 × 124,272.96 - Step 4: Simplify right side
139,824.96x = 24,013,532,490.39 - Step 5: Solve for x
x = 24,013,532,490.39/139,824.96 - Step 6: Final answer
x = 171,739.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.